Step-by-step explanation:
By Cosine rule, we have
s² = t² + u² - 2(t)(u)(cosS)
=> cosS = (t² + u² - s²)/2tu
=> cosS = (58² + 27² - 50²) / (2 * 58 * 27) = 0.5086.
Therefore S = cos^-1(0.5086) = 59.4° (1d.p.)
 
        
                    
             
        
        
        
Answer:
try A,C and E because A) has more students than any other ones C) if I goes up in twos and E) same as C
 
        
             
        
        
        
Is there a graph or something?
        
                    
             
        
        
        
Answer:
180000
Step-by-step explanation:
30600/17=1800
1800•100=180000
 
        
                    
             
        
        
        
Answer:
500=120+60 
Variable would either be M or D For 60
Step-by-step explanation: